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Hey it’s Becky from Milk Teeth, I play bass and sing.

I used to go to Hevy Fest a lot, that was one of my first “ins”. I always loved the gear, I like the classic way that it looks, you know an Orange from a mile off, you could be stood at the back of crowd and you will know the cab.

I want something that has the basics, you have good tone, tone is really essential. Does like a decent job but at the same time I like to have some versatility so you can change your sound and stuff. I tend to play quite bass heavy, a little bit of treble, I just like something punchy.

My current rig is the OB1 head by Orange and i’ve got the 8×10 cab which is great, it weighs more than i do, I googled it! I’m not using much gain on it, as I tend to get most of my gain from the RAT pedal. I tend to use it more as a clean, like I said I have the bass really high, I like it to sound deep and bassy. The mids are like eleven o’clock, the treble is actually down I used to turn it up but it’s now down a bit. Its more like ten o’clock but I think it sounds great as it is.

I’m after the next amp up, the AD200 thats on the wish list. But I think for the money the OB1 series is great, it’s just as good, it sounds way more expensive than it is.

Its really cool that Orange has taken me on as part of the roster. I think its really great that someone has put faith in a girl playing bass because some companies not all may be a bit wary, so that is refreshing. I’m surrounded by a host of other great musicians, its just really nice, I mean we are out with Good Charlotte at the moment and they are also playing Orange. So that’s cool, we are matching!

 

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CLASS AB | BI-AMP INSPIRED | ALL ANALOGUE

Taking the OB1-300’s bi-amp inspired, all analogue design as a base, the combo version really shows off the OB1’s deceptive versatility. Despite its relatively sparse layout, the real beauty of this combo is its ability to go from sophisticated to unhinged at the turn of a knob, or the stomp of a foot.

The OB1-300 Combo houses a new 15” Eminence neodymium speaker in a carefully designed front-ported cabinet, and this configuration is the ideal match for the OB1’s fearsome tonal platform. The two elements combine to offer an immediate attack and a seriously punchy low end, dishing out warm contemporary cleans, grinding vintage grit right up to heavily distorted mayhem. Most importantly, the OB1-300 Combo remains focused at all extremes of its wide-ranging tone controls.

For years bassists have been combining guitar and bass amps to remarkable effect, adding harmonics and layers of overdrive from a guitar amp to their core bass tone in pursuit of the ultimate live sound. This ‘bi-amp’ trend got us thinking… Why drag two amps to the show when you could take just one? The key to the OB1’s unique sound is our footswitchable Blend circuit which adds a veneer of controllable gain and increased harmonic content to the upper registers of the input signal. The lower frequencies and clean signal are left alone, staying warm and clear just as they would be in a ‘bi-amped’ setup.

Depending on where the Gain and Blend controls are set, the possibilities are limitless. Kick in the Blend control to achieve anything from a transparent clean boost, to all-out filthy grind, and everywhere in between.

ACTIVE EQ | RACK MOUNTABLE | ALL ANALOGUE SIGNAL PATH

OB1-300

LEAVE THE OTHER AMP AT HOME…

For years bassists have been combining guitar and bass amps to remarkable effect, adding harmonics and layers of overdrive from a guitar amp to their core bass tone in pursuit of the ultimate live sound. This ‘bi-amp’ trend got us thinking… Why drag two amps to the show when you could take just one? The result is the OB1 Series of class A/B rack mountable bass heads which take care of this and much more besides.

The key to the OB1’s unique sound is our footswitchable Blend circuit which adds a veneer of controllable gain and increased harmonic content to the upper registers of the input signal. The lower frequencies and clean signal are left alone, staying warm and clear just as they would be in a ‘bi-amped’ setup. Depending on where the Gain and Blend controls are set, the possibilities are limitless. Punch in the Blend control to achieve anything from a transparent clean boost, to all-out filthy grind, and everywhere in between.

OB1-300 is the 300 Watt version, sharing the same features and 2U rack dimensions as the more powerful OB1-500.

Key Features

‘Bi-amp’ Inspired Design

The OB1 splits the input instrument signal into two separate paths. One amplifies the clean signal, with all the clarity you would expect from Orange. The other adds stages of gain to the upper harmonics only, controllable via the amp’s Gain knob. These two elements are combined using the amplifier’s Blend control which adjusts the balance between clean and dirty. The Blend control can then be remotely engaged or defeated using the optional footswitch.

The Gain and Blend’s range allows for almost anything, from a subtle level boost to cut through the mix, added girth and presence at moderate settings to fatten up chorus passages, to fully saturated savagery at the extremes. However you dial it in, the OB1 always maintains the critical low end definition, right the way up to the most offensive settings!

Active EQ

The OB1’s highly responsive active three band EQ has been meticulously voiced for maximum effect and minimal fuss. The EQ section is located after the Gain and Blend in the circuit, allowing full tonal control over the entire range of sounds. The Bass and Middle controls feature +/-15dB of boost or cut, whilst there is a range of +/- 20dB on the Treble control.

All Analogue Signal Path

The OB1 Series puts proper Class A/B power back on the map. All circuitry is completely analogue, ensuring these amps sound expressive and musical even at ridiculous gain levels.

Rack Mountable

The OB1 Series are our first rack mountable amps, suitable for 19″ cases. Enclosed in a rugged power coated steel chassis the fascia is finished in our classic ‘pics only’ styling

Although very much a rock amp, anyone with old-school guitar-band leanings would be happy to have one of these sitting atop their stack.

FeaturesRack mountable (2U) ‘bi-amp’ inspired bass head with footswitchable Gain & Blend controls, active 3 band EQ, balanced DI & line level outputs
Front Panel (Right to Left):Instrument Input with Active/Passive Switch, Gain, Blend, Bass, Middle, Treble, Volume, Footswitch Input, Mains Switch
Rear Panel (Right to Left):Speaker Outputs (Speakon), 1/4″ Line Output, Balanced Output with Ground Lift Switch
Speaker Output Options:Minimum 4 Ohm: 1 x 8 Ohm, 2 x 8 Ohm, 1 x 4 Ohm
Output Power:300 Watts, Class A/B
Finish Options:White powder coated steel chassis (2U 19″ Rack mountable)
Unboxed Dimensions (W x H x D):48.2 × 26.5 x 10cm (18.97 x 10.43 x 3.93″)
Unboxed Weight:10.1kg (22.26lb)

Manual V1.0

OB1-300 & OB1-500 Manual

Introduction

Thank You for Choosing Orange

Ever since the founding of the company in 1968, Orange has been a pioneering force in the guitar amplification industry. Today, with a team of the world’s finest amplifier engineers, Orange continues to push back the boundaries of conventional amplifier design.

Our commitment to craftsmanship and quality control has allowed our amplifiers to stand the test of time, giving their owners as much pleasure now, as the day they were bought. To maintain this level of excellence, each Orange amplifier is put through many rigorous test procedures before leaving the factory.

This manual contains valuable technical and safety information. Please take the time to read this manual as the information may enhance the sound and performance of your amplifier. We are confident that you will be delighted with your new purchase and that it will provide you with many years of enjoyment. You are now a member of the Legendary British Guitar Amplifier Owners Club!

In the interests of product improvement, the contents of this manual may be subject to change without notice.

Safety

Important Safety Information

1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with dry cloth.
7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9) Do not defeat the safety purpose of the polarised or grounding-type plug. A polarised plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10) Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11) Only use attachments/accessories specified by the manufacturer.
12) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13) Unplug this apparatus during lightning storms or when unused for long periods of time.
14) Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

NO USER SERVICEABLE PARTS INSIDE. DO NOT ATTEMPT TO GAIN ACCESS TO THE INTERIOR OF THE PRODUCT. REFER ALL SERVICING TO AUTHORISED ORANGE SERVICE PERSONNEL

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of un-insulated ‘dangerous voltage’ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

Terminals labelled as “Speaker Outputs” must be connected to a speaker cabinet of the designated load rating using an un-shielded two conductor cable for speaker use at all times during operation.

The exclamation point within an equilateral triangle and "WARNING" are intended to alert the user to the presence of important operating instructions. Failure to heed the instructions will result in severe injury or death.

WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. For indoor use only. Do not place liquids, or objects containing liquids on or near the apparatus

Models which use a mains cord/plug to connect to the mains electricity supply must be connected to a mains socket outlet with a protective earthing connection. The voltage selector switch and mains fuse are set at the factory for the country or region in which this Orange product is intended to be sold. To prevent serious damage to the product, ensure that the rated AC mains voltage indicated on the product's rear panel agrees with the mains voltage from your AC mains outlet before connecting the mains cord/plug.

If the product is to be used outside of the factory set region, ensure the voltage selector switch (found on the rear or side panel) is set to the correct voltage for the new country/region and that the appropriate mains fuse is fitted in the pull-out fuse tray below the IEC mains input.

The correct mains fuse rating for your product is printed on the chassis. Use only the same 250V type and rating as specified for the product. Different operating voltages may require the use of different types of line cord and attachment plugs. If you are unsure, contact your Orange Dealer.

This Orange product conforms to UL 60065:2001 (Seventh Edition) + A1:2005 + A2:2010 for Audio, Video and Similar Electronic Apparatus. Certified to CAN/CSA CAN/CSA-C22.2 No. 60065:03

This Orange product complies with the WEEE Directive (2002/96/EC) marking requirement. This affixed product label indicates that you must not discard this electrical/electronic product in domestic household waste. Please contact your local authority for details of your nearest approved recycling facility.