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SM PRO Audio Tube Box API Format Tube Preamplifier
TubeBox is a single-channel tube microphone preamp in the 500 Series slot format, featuring high sound quality, professional design and an affordable price. This small but powerful device features a Class A tube preamp, 48V phantom power, phase reverse, a switchable -20 dB pad, and a built-in super-fast optical compressor. The front panel also includes a useful additional microphone input (1/4” TRS jack with switchable phantom power) – a feature not normally found in 500 Series-based preamps.
Easy access to the 12AX7 tube makes it replaceable with other vintage or modern models, allowing you to customize the sound and performance of TubeBox to your liking. The integrated optical compressor features controls for adjusting the compression ratio, attack and release, and the ability to use the integrated VU meter to display the master level and gain reduction. The sound quality of the integrated compressor is guaranteed by the LME49720 operational amplifier that ensures extremely low distortion and noise.
Characteristics
Tube preamp perfect for use with compatible 500 series systems
12AX7 electronic valve
High voltage transformerless class A circuit
Optical compressor with compression ratio, attack and release controls
Phantom power 48V (activate only on the front 1/4″ TRS Jack input
Phase inversion
Pad -20dB
Dual function VU meter: master volume / gain reduction
Input level control
Output level control
On MamasMusicStore.it we accept the following payment methods:
We accept the most common credit cards, including prepaid and rechargeable cards, issued exclusively in Italy. There are no additional fees for credit card payments. You do not need a PayPal account to use your credit/debit card.
PayPal is an online payment system that requires opening an account with PayPal. When completing a purchase with this payment method, a PayPal page will appear where you can enter your email and password, or proceed with creating a new account. After registration, you can make payments via PayPal without having to re-enter your details for future purchases. Choosing this payment method, the amount will be charged directly to your PayPal account. PayPal protects buyer information. For every transaction made with this method, a confirmation email will be sent by PayPal. The order amount is debited from the PayPal account at the time of order acquisition. In case of cancellation, the amount is refunded to the customer's PayPal account. Payments are accepted only from users registered on the Italian PayPal site.
You can split your orders into installments and choose the payment method that suits you best. Our website offers Scalapay, Pagolight, or PayPal Later. These systems are secured with a safe connection.
Non-online payment method. With this method, a page will display the necessary details to complete the payment. As this is not an immediate payment method, the seller will wait for the actual crediting of the amount before proceeding with the shipping process.
You can pay for your orders up to €1999 in cash upon delivery to the courier. A 4% commission is applied to this payment method.
The purchased goods will be delivered to the destination address specified by the customer at the time of purchase. Delivery will be made at street level (not to the floor). Shipping costs include handling and packaging charges as well as postal fees.
At the time of shipment, you will receive a Tracking Code to track your delivery (not all couriers provide it).
The shipping within Italy is FREE for orders with a minimum amount of €149. For international shipments, costs vary depending on the country and the total weight of the products.
Our shipments are insured. The boxes are adequately sized, and your items are well protected.
For payments via PayPal or Credit Card, shipping will take place in the days following the payment. For bank transfer payments, shipping will occur once we receive confirmation of the credit transfer.
