Like all API products, the 5500 contains no integrated circuits in its signal path. The gain comes from two hand-built 2520 operational amplifiers in each channel. The balanced input is handled by a 2510 discrete operational amplifier, which is similar to the 2520, but without the high current output stage. Besides being a key component of the API sound, the 2520 coupled with the API 2503 output transformer is capable of delivering +30dBm before clipping. With this much headroom, it is unlikely that the 5500 can be driven to distortion unless perhaps another API unit is driving the input!
A new feature in the 5500 is the range control. The range of the amplitude controls can be reduced to 1/2 or 1/4 of their stated scale, providing a means of adjusting the tonal balance with finer resolution in an even gentler manner. This should be especially useful for complex program material as contained in stems or submixes, and is ideally suited for mastering purposes.
Also new on the 5500 is a true hard-wire bypass. In this mode the output connector is wired directly to the input. Shortly after the power is first applied, or immediately after it is lost, a special circuit enables bypass mode so signal is never lost and power thumps are never heard.
The input XLR is connected to an active balanced circuit. The output XLR is driven from a transformer coupled output and can drive any load from 600 ohms or greater to full output capability. The polarity is such that there is no change from input to output, so it is suitable in studios using either pin 2 or pin 3 as the "hot" connection. In addition, there is a 1/4" input connector that interrupts any signal that is present on the input XLR. It is balanced and can be driven from either balanced or unbalanced sources. A positive signal on the tip will deliver a positive signal on pin 2 of the output XLR. Using the 1/4" input does not bypass any internal circuitry and does not change gain or operating level.
API 5500 Dual Equalizer Features
- Classic 550B equalizer design
- two range switches individually alter gain steps
- Useable as a 550B, 550D or 550M
- Peak/shelf switch on hi & lo bands
- True hardwire bypass
- Balanced in and out on XLR
- Unbalanced Input on 1/4"
- EQ in/out switch
All payments are processed securely by Paypal , offering both buyer and seller protection. Online orders are confirmed in stock and ready to ship before Paypal payment is completed. orders ship FEDEX and will require signature upon delivery. Orders are typically delivered within 4-5 business days following dispatch. Fedex tracking details are provided for all orders.
Duty rates in Indonesia vary with the average duty rate at 10.89%. Import duty and taxes are due when importing goods into Indonesia whether by a private individual or a commercial entity. Import duty payable is calculated on the cost of the imported goods combined with freight charges. More information on import declaration procedures and import restrictions can be found at the Indonesian Customs website. (beacukai.co.id)
Customs Contact Information
- Jl. Ahmad Yani By Pass
- Jakarta - 13230
- Telephone : 134
- Fax : 021-3500842
Returns & Warranty Repair
If your item arrives with any issue , please hold the item and be sure to retain all packing materials. We will arrange for the item to be inspected immediately. Do not return the &nbps; to us unless we have provided an RMA number. We will then work with you to replace the item or refund the purchase price of &nbps; if it is not replaceable.
- Buy products with confidence.
- Free shipping throughout Indonesia - Jakarta , Surabaya , Bandung , Medan , Bekasi and Semerang.
- Return to base repair or replacement (1 Year return to base).
- Please contact AudioBuy Indonesia for detailed information about the warranty we offer to all Indonesian customers.