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  • 3 analogue oscillators (tri, saw, pulse)
  • 2 sub oscillators
  • low and high pass 24db transistor ladder filter.
  • Contour ADSR, with auto trigger.
  • VCA gate/ envelope mode.
  • LFO (tri, sq, saw, random, pattern) routable to vco, vcf, pwm.
  • Any mix of LFO waveforms.
  • LFO rate can be controlled by contour shape.
  • Modulation wheel routed to LFO depth.
  • Pitch bend knob (with centre notch).
  • 3 octave keyboard, with portamento.
  • VCO 3 can modulate VCF.
  • Hi freq. LFO rate (ring mod. effects).
  • Germanium transistor mixer & output stage.
  • Solid oak, handmade case.
  • DEMOS

The AR-57 Aurora Synthesizer is the current model in the line of hand built analogue synths from Harpur Instruments (the manufacturing arm of Synth Restore). The AR-57 was originally called the AR1, and briefly AR51, though the only difference was a 2-pole filter, as opposed to a 4-pole type, in the new model.

There are facilities for pitch cv, and gate inputs, plus an external cv control for the filter. There's also an audio input, for processing external signals through the synth.

  • Orders for synths generally take about 1 month for completion (we do sometimes have ready-built stock).
  • Each AR-57 Aurora synthesizer, is assembled & hand-finished on-site, and is a truly Made In England.

 

PRODUCT
DEMOS (with added effects)
AR-57 Aurora Synthesizer solo sounds
Biggy sequence - A monster sequence using all vco's
Funky bass - Put on those flares, Herbie's back.
LFO pattern - Unique feature of the LFO, which can produce sequence-type riffs.
Electronica - Some ambient noises and bass drones, through a custom delay FX.
Seq 1 - A sequence.
Seq 2 - Yet another sequence.
AR-57 Aurora Synthesizer in demo tunes Demo 1 (Autobahn snippet) You'll recognise this...surely!
Demo 2( Toyota ) All sounds (apart from the percussion) are from the synth, and played LIVE, with some added delay.
Demo 3 ( Darkhorse ) Chords, bass and wibbly wobbly bits, played live, with some delay.
copyright 2014 Adrian Dolente / A Unified Field. Unauthorized copying, reproduction, hiring, lending, public performance and broadcast of demo's and/or music tracks on this website is prohibited.
check out our music on:

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VCF trio board (multi ARP filter modules)

AVAILABLE NOW (built to order)

A NEW exciting product for 2014. Exclusive to SynthRestore.

This is a multi filter PCB incorporating 3 of the most classic ARP filters.

4012 (early 2600) 4023 (early Odyssey) 4075 (later Odyssey & 2600) .

The module core layouts are the same as the originals, and we have added the extra components required for operation (buffers etc). This means you can get as close as possible to the original sound of ARP synthesizers.

All you will require is some potentiometers and jack sockets, and you're away! Operates on +/- 15 volts, so can easily be incorporated into a modular setup.

We provide full connection details with each board.

ARP trio filter board

This item will be fully built & tested to order

(actual size of board is 10 x 20 cm)

DESCRIPTION
PURCHASE
Tri-filter board (built & tested)

 

 

 

VCO trio board (multi ARP VCO modules)

AVAILABLE NOW (built to order)

A NEW exciting product for 2014. Exclusive to SynthRestore.

This is a multi VCO PCB incorporating 3 of the most classic ARP VCO's.

The 4027 VCO, was used in the ARP 2600 modular synthesizer.

The module core layouts are the same as the originals, and we have added the extra components required for square/pulse control. (along with sawtooth).

All you will require is some potentiometers and jack sockets, and you're away! Operates on +/- 15 volts, so can easily be incorporated into a modular setup.

We provide full connection details with each board.

This board is more cost-effective, than purchasing 3 seperate vco modules!

WIRING DATA HERE

ARP tri vco board

This item will be fully built & tested to order

(actual size of board is 10 x 20 cm)

DESCRIPTION
PURCHASE
VCO trio board (built & tested)

 

 

Minimoog replacement PCB's

Replacement PCB cards for the Minimoog model D synthesizer. These cards are made to the closest spec. using exact components (where possible) and matched transistors (where required).

The PCB track layout and component sizes are almost identical, therefore giving the correct signal path, retaining the same rich fat Moog sound.

Lovingly hand-built and tested in a Model D Minimoog.

minimoog

ALL boards require 7 working days turnaround, as each one is built to order (unless we have some spares in stock).

Audio demo of the vcf/vca board (demo's are subject to copyright)

Demo 1 Demo 2 Demo 3 Demo 4

 

DESCRIPTION
Minimoog Board 4 FILTER - VCA (complete, built and tested)
Minimoog Board 2 dual ENV GENERATOR & KEYBOARD CIRCUIT (built & tested)
Minimoog Board 1 OSCILLATOR (complete, built and tested)

 

 

 

ARP SUB-MODULES

Modern closely matched equivalents. Valuable synthesizer spares for all ARP gear. Also, you could use these modules as the basis for a custom built modular synthesizer. 1st class UK recorded delivery or Signed-For International shipping. PLEASE NOTE: We do not provide schematics.

DESCRIPTION
ARP 4012 VCF module.(ARP 2600)
ARP 4015 Sample & hold module (ARP 2600)
ARP 4019 Voltage controlled amplifier (ARP 2600)
ARP 4020 ADSR generator (ARP 2600)
ARP 4023 VCF module. (MKI whiteface Odyssey)
ARP 4027-1 VCO module.(ARP 2600)
ARP 4075 VCF module. (MKIII orange/black Odyssey) Price list

 

ARP, MOOG, OBERHEIM replacement keytops

IN STOCK

Replacement NEW manufactured keytops for synths that use 'Pratt Read' style keys.

These will fit on most classic American synths like Moog, Oberheim, ARP and Sequential (not Roland, Yamaha or Korg).

List of compatible synths HERE

Loadsasynths from synthrestore!!

DESCRIPTION
Pratt Read. Black key. Pack of 5
Pratt Read. Top C. Single item

 

FOR SALE, analogue synths, under £500

 

FX PEDALS

Synth Restore is proud to announce their range of boutique FX (plus guitar FX pedals) for use with synths and guitars.

All FX units & pedals are hand-built, limited production run (typically 100) with serial number & box. These products also have official EAN barcodes.

We endeavour to use local companies for metalwork and printing, so these items are truly British made products (for a change!)

The OC8 Fuzz uses vintage carbon-comp resistors & Germanium transistors, and is traditionally hardwired, mounted on a hand-cut & drilled Paxolin circuit board.

 

Inside the OC8 Fuzz, vintage hardwired components.
DESCRIPTION
DEMO
PURCHASE

OC8 Germanium Fuzz (black box, with orange print) Available NOW

TE342 'Tape-esque' Echo.
OPTC51 Optical Compressor
PHR04 Phaser.

 

 

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Copyright 2014 Adrian Dolente / A Unified Field. Unauthorized copying, reproduction, hiring, lending, public performance and broadcast of demo's and/or music tracks on this website is prohibited.

copyright 2001 - 2014 SynthRestore. 57 Harpur Street,Bedford,MK40 2SR. England. Please read the Terms & conditions