Rendered at 19:39:04 04/30/25
A pair of optro 740 audio prossessers,compressor, noise gate, mic preamplifier,+
Ships from
United States
Shipping options
Seller handling time is 2 business days Details
No shipping price specified to GB
Ships from
United States
Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
Refunds available: See booth/item description for details
Details
Purchase protection
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
Shipping options
Seller handling time is 2 business days Details
No shipping price specified to GB
Ships from
United States
Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
Refunds available: See booth/item description for details
Details
Purchase protection
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
Item traits
| Category: | |
|---|---|
| Quantity Available: |
Only one in stock, order soon |
| Condition: |
Used |
| Brand: |
optronics |
| Type: |
microphone preamplifier |
Listing details
| Seller policies: | |
|---|---|
| Shipping discount: |
Shipping weights of all items added together for savings. |
| Posted for sale: |
More than a week ago |
| Item number: |
1727608474 |
Item description
Very rare item made in Australia by Gram Therkel Audiophile studio equipment maker in the 1970?s .
This has in each unit.
optical compression.
Optical noise gate
Microphone preamplifier
line in selectable 600 ohm or high Z
10 band toroid inductor graphic equalizer.
Including in the sale an original schematic with alignment notes and part #s
Both units completely tested and working
Wired for 120 vac mains.
Added to your wish list!
- A pair of optro 740 audio prossessers,compressor, noise gate, mic preamplifier,+
- 1 in stock
- Price negotiable
- Handling time 2 days.
- Returns/refunds accepted
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